mail/src/js/crypto/aes-worker.js

42 lines
1009 B
JavaScript

(function() {
'use strict';
// import web worker dependencies
importScripts('../../lib/require.js');
/**
* In the web worker thread context, 'this' and 'self' can be used as a global
* variable namespace similar to the 'window' object in the main thread
*/
self.onmessage = function(e) {
// fetch dependencies via require.js
require(['../../require-config'], function() {
require.config({
baseUrl: '../../lib'
});
require(['cryptoLib/aes-cbc'], function(aes) {
var i = e.data,
output = null;
if (i.type === 'encrypt' && i.plaintext && i.key && i.iv) {
// start encryption
output = aes.encrypt(i.plaintext, i.key, i.iv);
} else if (i.type === 'decrypt' && i.ciphertext && i.key && i.iv) {
// start decryption
output = aes.decrypt(i.ciphertext, i.key, i.iv);
} else {
throw 'Not all arguments for web worker crypto are defined!';
}
// pass output back to main thread
self.postMessage(output);
});
});
};
}());